Philippine police were ordered Wednesday to arrest anyone caught vaping in public, just hours after Philippine President Rodrigo Duterte announced he would ban e-cigarettes.The abrupt prohibition, revealed by Duterte late Tuesday adds to a growing global backlash against a product once promoted as less harmful than tobacco smoking.Duterte, a former smoker, called the devices "toxic" and said vaping introduced "chemicals" into the user's body.He ordered the arrest of a